199565640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:996

約数の個数: 128

約数和(自身を含む): 668736000

約数和(自身を除く): 469170360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 257, 270, 360, 514, 540, 719, 771, 1028, 1080, 1285, 1438, 1542, 2056, 2157, 2313, 2570, 2876, 3084, 3595, 3855, 4314, 4626, 5140, 5752, 6168, 6471, 6939, 7190, 7710, 8628, 9252, 10280, 10785, 11565, 12942, 13878, 14380, 15420, 17256, 18504, 19413, 21570, 23130, 25884, 27756, 28760, 30840, 32355, 34695, 38826, 43140, 46260, 51768, 55512, 64710, 69390, 77652, 86280, 92520, 97065, 129420, 138780, 155304, 184783, 194130, 258840, 277560, 369566, 388260, 554349, 739132, 776520, 923915, 1108698, 1478264, 1663047, 1847830, 2217396, 2771745, 3326094, 3695660, 4434792, 4989141, 5543490, 6652188, 7391320, 8315235, 9978282, 11086980, 13304376, 16630470, 19956564, 22173960, 24945705, 33260940, 39913128, 49891410, 66521880, 99782820, 199565640]

約数ペア:

[(1, 199565640), (2, 99782820), (3, 66521880), (4, 49891410), (5, 39913128), (6, 33260940), (8, 24945705), (9, 22173960), (10, 19956564), (12, 16630470), (15, 13304376), (18, 11086980), (20, 9978282), (24, 8315235), (27, 7391320), (30, 6652188), (36, 5543490), (40, 4989141), (45, 4434792), (54, 3695660), (60, 3326094), (72, 2771745), (90, 2217396), (108, 1847830), (120, 1663047), (135, 1478264), (180, 1108698), (216, 923915), (257, 776520), (270, 739132), (360, 554349), (514, 388260), (540, 369566), (719, 277560), (771, 258840), (1028, 194130), (1080, 184783), (1285, 155304), (1438, 138780), (1542, 129420), (2056, 97065), (2157, 92520), (2313, 86280), (2570, 77652), (2876, 69390), (3084, 64710), (3595, 55512), (3855, 51768), (4314, 46260), (4626, 43140), (5140, 38826), (5752, 34695), (6168, 32355), (6471, 30840), (6939, 28760), (7190, 27756), (7710, 25884), (8628, 23130), (9252, 21570), (10280, 19413), (10785, 18504), (11565, 17256), (12942, 15420), (13878, 14380)]